12928775832 has 192 divisors, whose sum is σ = 41116608000. Its totient is φ = 3668414400.

The previous prime is 12928775831. The next prime is 12928775833. The reversal of 12928775832 is 23857782921.

It is an interprime number because it is at equal distance from previous prime (12928775831) and next prime (12928775833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12928775831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3727363 + ... + 3730829.

It is an arithmetic number, because the mean of its divisors is an integer number (214149000).

Almost surely, 2^12928775832 is an apocalyptic number.

12928775832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12928775832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20558304000).

12928775832 is an abundant number, since it is smaller than the sum of its proper divisors (28187832168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12928775832 is a wasteful number, since it uses less digits than its factorization.

12928775832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651 (or 3630 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 12928775832 in words is "twelve billion, nine hundred twenty-eight million, seven hundred seventy-five thousand, eight hundred thirty-two".